US3076039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halomethylation process
Assignee: Pure Oil Co
•
Filing: 1959-11-25
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Granted: 1963-01-29
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Expires: 1979-11-25
Abstract
No abstract record available.
Inventors
- 👤 George W Ayers
- 👤 William C Allinder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:34
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/26; C07C17/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE PROCESS OF PREPARING HALOMETHYLATED ORGANIC COMPOUNDS OF THE GROUP CONSISTING OF BROMO-, IODO, AND CHLOROMETHYLATED DERIVATIVES OF ORGANIC COMPOUNDS OF CYCLIC STRUCTURE HAVING AT LEAST ONE UNSUBSTITUTED NUCLEAR CARBON ATOM WHICH COMPRISES REACTING SAID ORGANIC COMPOUND AT A TEMPERATURE OF ABOUT 20* TO 105*C. WITH ABOUT ONE MOL OF THE CORRESPONDING PHOSPHORUS OXYHALIDE AND ABOUT 3 MOLS OF AN ALDEHYDE OF THE GROUP CONSISTING OF FORMALDEHYDE AND PARAFORMALDEHYDE PER UNSUBSTITUTED NUCLEAR CARBON ATOM.
Claim 2
Dependent Claim
74 words
THE PROCESS OF PREPARING HALOMETHYLATED ORGANIC COMPOUNDS OF THE GROUP CONSISTING OF BROMO-, IODO, AND CHLOROMETHYLATED DERIVATIVES OF ORGANIC COMPOUNDS OF CYCLIC STRUCTURE HAVING AT LEAST ONE UNSUBSTITUTED NUCLEAR CARBON ATOM WHICH COMPRISES REACTING SAID ORGANIC COMPOUND AT A TEMPERATURE OF ABOUT 20* TO 105*C. WITH ABOUT ONE MOL OF THE CORRESPONDING PHOSPHORUS OXYHALIDE AND ABOUT 3 MOLS OF AN ALDEHYDE OF THE GROUP CONSISTING OF FORMALDEHYDE AND PARAFORMALDEHYDE PER UNSUBSTITUTED NUCLEAR CARBON ATOM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |